An issue was discovered in the Linux kernel before 5.2.3. There is a use-after-free caused by a malicious USB device in the drivers/media/usb/dvb-usb/dvb-usb-init.c driver.
https://syzkaller.appspot.com/bug?id=a53c9c9dd2981bfdbfbcbc1ddbd35595eda8bced
https://security.netapp.com/advisory/ntap-20190905-0002/
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.3
http://www.openwall.com/lists/oss-security/2019/08/20/2
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html